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Finding the Fourth Proportional to 252,434.48, 348,257.88 and 161,773.76

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Solution

The fourth proportional to 252,434.48, 348,257.88 and 161,773.76 is: 223,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,434.48 : 348,257.88 = 161,773.76 : x
  2. Step 2: Convert to fraction form
    252,434.48/348,257.88 = 161,773.76/x
  3. Step 3: Cross multiply
    252,434.48x = 348,257.88 × 161,773.76
  4. Step 4: Simplify right side
    252,434.48x = 56,338,985,608.92
  5. Step 5: Solve for x
    x = 56,338,985,608.92/252,434.48
  6. Step 6: Final answer
    x = 223,182.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.